Portable lamp



FIG. 1 is a perspective view of a portable lamp showing our new design;

FIG. 2 is a front elevational view thereof on an enlarged scale;

FIG. 3 is a left side elevational view thereof on an enlarged scale;

FIG. 4 is a rear elevational view thereof on an enlarged scale;

FIG. 5 is a top plan view thereof on an enlarged scale;

FIG. 6 is a bottom plan view thereof on an enlarged scale;

FIG. 7 is a perspective view of a second embodiment of our new design, the second embodiment differing from the first only in placement of the lens. 

The ornamental design for the portable lamp, as shown and described. 